Update changelog for 0.0.6.2-1
Update changelog for 0.0.6.2-1

crooks/mixminion,mixminion/mixminion,mixminion/mixminion,crooks/mixminion,Javex/mixminion,Javex/mixminion,Javex/mixminion,reezer/mixminion,mixminion/mixminion,rxcomm/mixminion,nmathewson/mixminion,reezer/mixminion,nmathewson/mixminion,reezer/mixminion,rxcomm/mixminion,reezer/mixminion,Javex/mixminion,crooks/mixminion,nmathewson/mixminion,rxcomm/mixminion,crooks/mixminion,mixminion/mixminion,rxcomm/mixminion,nmathewson/mixminion